Recovery in Informix
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Informix is a large scale relational database management system. It is based on client/server paradigm and its server is referred to as “OnLine Dynamic Server” or simply “OnLine” . One of the major responsibilities of OnLine is to handle database recovery. Similar to other commercial systems, Informix uses WAL scheme for managing commitment of concurrent transactions and database recovery. It uses logical and physical logs for managing these activities. We begin with the log and its management.
KeywordsFast Recovery Critical Section Data Page Buffer Pool Disk Page
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